CN212475237U - Sampling and conveying mechanism for time sequence instrument - Google Patents

Abstract

The utility model relates to a sample transport mechanism for chronograph, the base plate middle part sets up the revolving stage module, sets up temperature and humidity control module on the base plate of revolving stage module one end, and the base plate top of revolving stage module one side sets up suction pressure sampling module, and the lower part and the substrate connection of triaxial displacement mechanism, suction pressure sampling module and triaxial displacement mechanism cooperation are fixed a position and are moved through triaxial displacement mechanism. The utility model discloses a pressure-absorbing sampling module passes through X axle displacement module, Y axle displacement module and Z axle displacement module realize triaxial coordinated control, can accurately absorb and place the adsorption piece and the dynamics is moderate with the handwriting impression on the adsorption piece surface, three displacement module all can continuous motion, realize the multiple spot sample, it has accurate revolving stage to complete, can send into the adsorption piece accuracy temperature and humidity control module heating back, send to the work area of pressure-absorbing sampling module, the adsorption piece surface smoothness is high, the handwriting impression is effectual, the contrast data that the sample obtained is accurate, the degree of automation is high.

Description

Sampling and conveying mechanism for time sequence instrument

Technical Field

The utility model belongs to the technical field of the handwriting appraisal technique and specifically relates to a sample transport mechanism for chronograph.

Background

Handwriting identification is an important detection method, and the time interval of handwriting writing can be determined through a series of technical means. The traditional handwriting identification method comprises the following steps: the sampling strip is placed on equipment capable of realizing linear transmission, the sampling strip is a paper tape in a film style, a plurality of small holes used for positioning are symmetrically formed in two sides of the paper tape, block structures with strong adhesiveness are arranged in the middle of the paper tape at intervals, the paper tape passes through the handwriting sampling point, and a certain amount of handwriting is adhered to the lower surface of each block structure through pressing down by external force. The method has the advantages that the paper tape moves in one direction, and multi-point rapid sampling cannot be realized; for convenience of sampling, a block structure for sampling is generally heated and humidified, and at the moment, a paper tape is softened and deformed to influence positioning; the position of the paper tape is inconvenient to determine, the paper tape is positioned through the small holes formed in the two sides, the paper tape does not have continuity, the defects of inaccurate tape walking steps, non-coincident sampling points and the like are easy to occur, and meanwhile, the problem of tape clamping is easy to occur when the paper tape is punched, so that a driving motor is blocked or stopped; the pressing operation needs to be completed manually, the pressure value is recorded by a sensor, the control is inaccurate, and the automation degree is low.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects in the prior art and provides a sampling conveying mechanism for a time sequence instrument, so that the requirement of multipoint rapid automatic sampling of the time sequence instrument is met, the positioning is accurate, and the sampling is efficient.

The utility model discloses the technical scheme who adopts as follows:

a sampling and conveying mechanism for a time sequence instrument comprises a base plate, wherein a rotary table module is arranged in the middle of the base plate, a temperature and humidity control module is arranged on the base plate at one end of the rotary table module, a pressure suction sampling module is arranged above the base plate at one side of the rotary table module, the sampling and conveying mechanism also comprises a three-axis displacement mechanism arranged at the same side of the pressure suction sampling module, the lower part of the three-axis displacement mechanism is connected with the base plate, and the pressure suction sampling module is matched with the three-axis displacement mechanism and is positioned and moved through the three; the structure of the turntable module is as follows: the temperature and humidity control device comprises a rotary table motor fixedly connected to the middle part of a substrate, and a precision rotary table matched with an output shaft of the rotary table motor, wherein a plurality of sample storage modules are arranged along the outer periphery of the upper surface of the precision rotary table, and temperature and humidity control grooves for the precision rotary table to pass through are formed in a temperature and humidity control module; the structure of the triaxial displacement mechanism is as follows: the X-axis displacement module is parallel to the substrate and is perpendicular to the Y-axis displacement module, the Z-axis displacement module is slidably mounted on the X-axis displacement module, the Z-axis displacement module is perpendicular to the substrate, and the Z-axis displacement module is mounted on the Z-axis displacement module.

The further technical scheme is as follows:

the X-axis displacement module comprises a first support provided with a first lead screw, a first motor is arranged outside one side of the first support, an output shaft of the first motor is matched with one side of the first lead screw, and a first sliding block matched with the first lead screw is further arranged on the first lead screw; the Y-axis displacement module comprises a second support provided with a second lead screw, a second motor is arranged outside one side of the second support, an output shaft of the second motor is matched with one side of the second lead screw, and a second sliding block matched with the second lead screw is further arranged on the second lead screw; the Z-axis displacement module comprises a third support provided with a third lead screw, a third motor is arranged outside one side of the third support, an output shaft of the third motor is matched with one side of the third lead screw, and a third slide block matched with the third lead screw is further arranged on the third lead screw;

the support frame is of a T-shaped plate structure and is also perpendicular to the second lead screw;

the precise turntable is of a circular disc-shaped structure, and a plurality of sinking grooves for fixing the sample storage module are uniformly formed along the outer periphery of the upper surface of the precise turntable;

the suction and pressure sampling module comprises a mounting plate, the mounting plate is of an L-shaped structure, the vertical surface of the mounting plate is fixedly connected with the surface of one end of the third sliding block, the transverse surface of the mounting plate is vertically provided with an elastic straight rod and a pressurizing assembly at intervals, the lower end of the elastic straight rod is provided with a sucker, the upper end of the elastic straight rod is provided with a suction assembly for providing suction for the sucker, and the lower end of the pressurizing assembly is provided with a pressure head;

the sample storage module comprises an accommodating box, the upper surface of the accommodating box is provided with a plurality of limiting counter bores, and adsorption sheets matched with the limiting counter bores in shape are placed in the limiting counter bores;

the containing box is of a square block structure, and four corners of the upper surface of the containing box are respectively provided with a limiting counter bore;

the adsorption sheet is in a circular sheet ceramic structure, and the lower surface of the adsorption sheet is uniformly coated with a viscous material for adhering handwriting.

The utility model has the advantages as follows:

the utility model discloses rational in infrastructure, convenient operation, suction pressure sampling module realizes three-axis coordinated control through X axle displacement module, Y axle displacement module and Z axle displacement module, can accurately absorb and place the absorption piece and the dynamics impress the handwriting on the absorption piece surface moderately, and three displacement modules all can continuous motion, can stabilize quick position control many times, realize the multiple spot sample, and suction pressure sampling module includes sucking disc and pressure head simultaneously, compact structure, and the sample is high-efficient; the precise rotary table is matched with the adsorption piece, the adsorption piece can be accurately sent to a working area of the suction pressure sampling module after being heated by the temperature and humidity control module, the adsorption piece is of a specially-made sheet structure, the size is small, the surface flatness is high, the writing imprinting effect is good, the contrast data obtained after sampling is accurate, and the automation degree is high.

Drawings

Fig. 1 is a schematic view of the installation structure of the present invention.

Fig. 2 is a top view of fig. 1 (without the microscope module and sample placement module).

Fig. 3 is a side view of fig. 1 (without the microscope module and sample placement module).

Fig. 4 is a partially enlarged view of a portion a in fig. 1.

Fig. 5 is a partially enlarged view of fig. 2 at B.

Wherein: 1. an X-axis displacement module; 2. a Y-axis displacement module; 3. a temperature and humidity control module; 4. a Z-axis displacement module; 5. a turntable module; 6. a sample storage module; 7. a microscope module; 8. a substrate; 9. a sample placement stage module; 10. a support frame; 11. a suction pressure sampling module;

101. a first motor; 102. a first bracket; 103. a first lead screw; 104. a first slider;

201. a second motor; 202. a second bracket; 203. a second lead screw; 204. a second slider;

301. a temperature and humidity control tank;

401. a third motor; 402. a third support; 403. a third lead screw; 404. a third slider;

501. a precision turntable; 502. a turntable motor;

601. accommodating the box; 602. an adsorption sheet;

1101. mounting a plate; 1102. a pressurizing assembly; 1103. a pressure head; 1104. a suction cup; 1105. an elastic straight rod; 1106. and (4) an extraction component.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-3, the utility model comprises a base plate 8, a turntable module 5 is arranged in the middle of the base plate 8, a temperature and humidity control module 3 is arranged on the base plate 8 at one end of the turntable module 5, a suction and pressure sampling module 11 is arranged above the base plate 8 at one side of the turntable module 5, the vacuum cleaner further comprises a three-axis displacement mechanism arranged at the same side of the suction and pressure sampling module 11, the lower part of the three-axis displacement mechanism is connected with the base plate 8, and the suction and pressure sampling module 11 is matched with the three-axis displacement mechanism and is positioned and moved by the; the structure of the turntable module 5 is: the temperature and humidity control device comprises a rotary table motor 502 fixedly connected to the middle part of a base plate 8, wherein an output shaft of the rotary table motor 502 is vertically arranged upwards, the temperature and humidity control device also comprises a precision rotary table 501 matched with the output shaft of the rotary table motor 502, a plurality of sample storage modules 6 are arranged along the outer periphery of the upper surface of the precision rotary table 501, and a temperature and humidity control groove 301 for the precision rotary table 501 to pass through is formed in a temperature and humidity control module 3; the structure of the triaxial displacement mechanism is as follows: the X-axis displacement module comprises a plurality of support frames 10 vertically arranged on a substrate 8 at intervals, a Y-axis displacement module 2 is horizontally and fixedly connected to the upper end of each support frame 10, an X-axis displacement module 1 is slidably mounted on the Y-axis displacement module 2, the X-axis displacement module 1 is parallel to the substrate 8 and is perpendicular to the Y-axis displacement module 2, the Z-axis displacement module 4 is slidably mounted on the X-axis displacement module 1, the Z-axis displacement module 4 is perpendicular to the substrate 8, and a pressure absorption sampling module 11 is mounted on the Z-axis displacement module 4.

The X-axis displacement module 1 comprises a first bracket 102 provided with a first lead screw 103, a first motor 101 is arranged outside one side of the first bracket 102, an output shaft of the first motor 101 is matched with one side of the first lead screw 103, and a first sliding block 104 matched with the first lead screw 103 is further arranged on the first lead screw 103; the Y-axis displacement module 2 comprises a second bracket 202 provided with a second lead screw 203, a second motor 201 is arranged outside one side of the second bracket 202, an output shaft of the second motor 201 is matched with one side of the second lead screw 203, and a second sliding block 204 matched with the second lead screw 203 is also arranged on the second lead screw 203; the Z-axis displacement module 4 includes a third bracket 402 mounted with a third lead screw 403, a third motor 401 is mounted outside one side of the third bracket 402, an output shaft of the third motor 401 is matched with one side of the third lead screw 403, and a third slider 404 matched with the third lead screw 403 is further mounted on the third lead screw 403. The support frame 10 is a T-shaped plate structure, and the support frame 10 is also perpendicular to the second lead screw 203. The precision turntable 501 is of a circular disc-shaped structure, and a plurality of sinking grooves for fixing the sample storage module 6 are uniformly formed along the outer periphery of the upper surface of the precision turntable 501.

As shown in fig. 4, the pressure and suction sampling module 11 includes a mounting plate 1101, the mounting plate 1101 is an L-shaped structure, a vertical surface of the mounting plate 1101 is fixedly connected to one end surface of the third slider 404, an elastic straight bar 1105 and a pressure assembly 1102 are vertically arranged on a transverse surface of the mounting plate 1101 at intervals, a suction cup 1104 is mounted at a lower end of the elastic straight bar 1105, an extraction assembly 1106 for providing suction to the suction cup 1104 is mounted at an upper end of the elastic straight bar 1105, and a pressure head 1103 is mounted at a lower end of the pressure assembly 1102.

As shown in fig. 5, the sample storage module 6 includes a containing box 601, a plurality of limiting counter bores are formed on the upper surface of the containing box 601, and an absorption sheet 602 with a shape matched with the limiting counter bores is disposed in each limiting counter bore. The accommodating box 601 is of a square block structure, and four corners of the upper surface of the accommodating box 601 are respectively provided with a limiting counter bore. The adsorption sheet 602 is a circular sheet-shaped ceramic structure, and the lower surface of the adsorption sheet 602 is uniformly coated with an adhesive material for adhering writings.

The utility model discloses a concrete working process as follows:

the present sample transport mechanism is mounted to a base plate 8, as shown in fig. 1, and the complete sequencer is typically also equipped with a microscope module 7 and a sample placement stage module 9. The main working process of the sampling and conveying mechanism is as follows: the adsorption sheet 602 is conveyed from the temperature and humidity control module 3 to the working area of the suction and pressure sampling module 11, the adsorption sheet 602 is imprinted to the handwriting by the suction and pressure sampling module 11 to complete sampling, and then the adsorption sheet 602 is placed back into the accommodating box 601.

As the handwriting can not be recovered once sampling, the photographing and retaining are required to be carried out through the microscope module 7 and the sample placing platform module 9, the temperature and humidity control module 3 can be opened during photographing, and the temperature and humidity control groove 301 is an actual action area of the temperature and humidity control module 3. Carry out heating humidification to the adsorption piece 602 of depositing in holding box 601 through temperature and humidity control module 3, in this embodiment, the number of the adsorption piece 602 that holds box 601 and can place is four, and adsorption piece 602 adopts the ceramic disk, and the lower surface coating viscidity sampling medium thin layer of ceramic disk, the lower surface roughness of adsorption piece 602 directly influences the handwriting image after the impression to produce great influence to subsequent comparison work, consequently, the lower surface of adsorption piece 602 has very high flatness requirement. After the adsorption sheet 602 is heated and humidified, the housing box 601 containing the adsorption sheet 602 is sent to the working area of the suction/pressure sampling module 11 through the precision turn table 501. The position control of the suction and pressure sampling module 11 is realized through the adjustment of the X-axis displacement module 1, the Y-axis displacement module 2 and the Z-axis displacement module 4, the suction disc 1104 sucks out the adsorption piece 602 after heating and humidification from the containing box 601, and the adsorption piece 602 is conveyed to the position right above the handwriting point and is slightly put down through the adjustment of the three displacement modules. The position of the suction and pressure sampling module 11 is adjusted slightly, so that the pressing head 1103 presses down with reasonable force under the control of the pressing assembly 1102, and handwriting is printed on the lower surface of the suction sheet 602. After the imprinting is completed, the suction sheet 602 is sucked by the suction cup 1104 again, the position of the suction/pressure sampling module 11 is adjusted, and the suction sheet 602 is returned to the housing box 601. If multi-point sampling is needed, the above steps are repeated until the sampling is completed.

In this embodiment, the pressurizing assembly 1102 is a cylinder, or other components capable of generating uniform and adjustable pressure may be used, the extracting assembly 1106 is a vacuum generator, or other components capable of generating negative pressure may be used, and the X-axis displacement module 1, the Y-axis displacement module 2, and the Z-axis displacement module 4 are not limited to the combination of a servo motor and a lead screw, or may be other driving modules capable of realizing linear displacement.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims (8)

1. A sample transport mechanism for chronograph, its characterized in that: the temperature and humidity control device comprises a substrate (8), wherein a rotary table module (5) is arranged in the middle of the substrate (8), a temperature and humidity control module (3) is arranged on the substrate (8) at one end of the rotary table module (5), a pressure absorption sampling module (11) is arranged above the substrate (8) at one side of the rotary table module (5), the temperature and humidity control device further comprises a three-axis displacement mechanism arranged at the same side of the pressure absorption sampling module (11), the lower part of the three-axis displacement mechanism is connected with the substrate (8), and the pressure absorption sampling module (11) is matched with the three-axis displacement mechanism and is positioned and moved through the three-axis displacement mechanism;

the structure of the rotary table module (5) is as follows: the temperature and humidity control device comprises a rotary table motor (502) fixedly connected to the middle of a base plate (8), wherein an output shaft of the rotary table motor (502) is vertically arranged upwards, the temperature and humidity control device also comprises a precision rotary table (501) matched with the output shaft of the rotary table motor (502), a plurality of sample storage modules (6) are arranged along the outer periphery of the upper surface of the precision rotary table (501), and a temperature and humidity control groove (301) for the precision rotary table (501) to pass through is formed in the temperature and humidity control module (3);

the structure of the three-axis displacement mechanism is as follows: set up support frame (10) on base plate (8) including a plurality of vertical interval, the upper end level rigid coupling Y axle displacement module (2) of each support frame (10), slidable mounting X axle displacement module (1) on Y axle displacement module (2), X axle displacement module (1) is parallel with base plate (8) and sets up perpendicularly with Y axle displacement module (2), still includes Z axle displacement module (4) of slidable mounting on X axle displacement module (1), Z axle displacement module (4) set up with base plate (8) are perpendicular, install suction pressure sampling module (11) on Z axle displacement module (4).

2. A sample transport mechanism for a sequencer according to claim 1, wherein: the X-axis displacement module (1) comprises a first bracket (102) provided with a first lead screw (103), a first motor (101) is arranged outside one side of the first bracket (102), an output shaft of the first motor (101) is matched with one side of the first lead screw (103), and a first sliding block (104) matched with the first lead screw (103) is further arranged on the first lead screw (103);

the Y-axis displacement module (2) comprises a second support (202) provided with a second lead screw (203), a second motor (201) is arranged outside one side of the second support (202), an output shaft of the second motor (201) is matched with one side of the second lead screw (203), and a second sliding block (204) matched with the second lead screw (203) is further arranged on the second lead screw (203);

the Z-axis displacement module (4) comprises a third support (402) provided with a third lead screw (403), a third motor (401) is arranged outside one side of the third support (402), an output shaft of the third motor (401) is matched with one side of the third lead screw (403), and a third sliding block (404) matched with the third lead screw (403) is further arranged on the third lead screw (403).

3. A sample transport mechanism for a sequencer according to claim 1, wherein: the support frame (10) is of a T-shaped plate-shaped structure, and the support frame (10) is also perpendicular to the second lead screw (203).

4. A sample transport mechanism for a sequencer according to claim 1, wherein: the precision turntable (501) is of a circular disc-shaped structure, and a plurality of sinking grooves for fixing the sample storage module (6) are uniformly formed along the outer periphery of the upper surface of the precision turntable (501).

5. A sample transport mechanism for a sequencer according to claim 1, wherein: inhale and press sampling module (11) including mounting panel (1101), mounting panel (1101) are L shape structure, the vertical plane and the surperficial rigid coupling of third slider (404) one end of mounting panel (1101), and vertical interval sets up elasticity straight-bar (1105) and pressurization subassembly (1102) on the horizontal plane of mounting panel (1101), the lower extreme installation sucking disc (1104) of elasticity straight-bar (1105), the upper end installation of elasticity straight-bar (1105) provides extraction subassembly (1106) of suction for sucking disc (1104), pressure head (1103) is installed to the lower extreme of pressurization subassembly (1102).

6. A sample transport mechanism for a sequencer according to claim 1, wherein: the sample storage module (6) comprises an accommodating box (601), a plurality of limiting counter bores are formed in the upper surface of the accommodating box (601), and adsorption sheets (602) matched with the limiting counter bores in shape are placed in the limiting counter bores.

7. A sample transport mechanism for a sequencer according to claim 6, wherein: the accommodating box (601) is of a square block structure, and four corners of the upper surface of the accommodating box (601) are respectively provided with a limiting counter bore.

8. A sample transport mechanism for a sequencer according to claim 6, wherein: the adsorption sheet (602) is of a circular sheet-shaped ceramic structure, and the lower surface of the adsorption sheet (602) is uniformly coated with an adhesive material for adhering writings.

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